Gastroscopy generally does not affect the preparation for pregnancy. Gastroscopy can be divided into ordinary gastroscopy and painless gastroscopy, ordinary gastroscopy does not require injection of anesthesia drugs, after the examination will not have any major impact on the body, generally will not affect the preparation for pregnancy. Women do painless gastroscopy, the immediate application of anesthetic drugs, drugs in the body metabolism is relatively fast, generally does not affect the quality of eggs, will not affect the preparation for pregnancy, but for the sake of eugenics, do not do the painless gastroscopy immediately after coitus conception. Men and women with physical discomfort first treatment of disease, and then consider the preparation for pregnancy, can also be appropriate to extend the preparation time. The preparation for pregnancy attention to intake of folic acid, to prevent neural tube malformation.